Groups
Columns on the periodic table
Periods
Rows on the periodic table
18
Number of Groups on the periodic table
7
Number of Periods on the periodic table
Matter
substance that has mass and volume
States of Matter
Solid, liquid, gas, and plasma
solids
Black elements on the periodic table
liquids
Blue elements on the periodic table
gases
Red elements on the periodic table
synthetic
white elements on the periodic table (artificial elements)
Plasma
a state of matter that includes things like fire, lightning, and stars
Condensation
the process of changing from a gaseous to a liquid state
boiling/vaporization
liquid to gas
freezing/fusion
liquid to solid
melting
solid to liquid
sublimation
solid to gas
deposition
gas to solid
density
measure of compactness of particles of matter
endothermic
occurring or formed with absorption of heat
exothermic
occurring or formed with the liberation of heat
solute
the dissolved matter in a solution; the component of a solution that changes its state
solvent
a liquid substance capable of dissolving other substances
diatomic elements
elements that are always found as two bonded
compounds
particles of multiple different elements bonded together
elements
particles that are identical in properties
heterogeneous
different components visible and separable
homogeneous
looks like one thing and can't be separated without science
Atom
the simplest structural unit of an element or compound
substance
anything with every particle being the same
mixture
a substance consisting of two or more substances mixed together
solution
anything with something else dissolved in it
Metals
Elements in groups 1-12(except H and 110 onward), elements 31, 49, 50, 81, 82, 83, Lanthanides, and Actinides
Semi metals
Elements 5, 13, 14, 32, 33, 51, 52, and 84 (Staircase)
Non Metals
Elements in groups 17 and 18, elements, 1, 6, 7, 8, 15, 16, 34
Alkali metals
Elements in group 1 (except H)
Alkali Earth Metals
Elements in group 2
Chalcogens
Elements in group 16
Halogens
Elements in group 17
Noble gases
Elements in group 18
Transition metals
Elements in group 3-12 (Except 110, 111 and 112)
Lanthanides
Elements in top row of bottom part of the periodic table
Actinides
Elements in bottom row of bottom part of the periodic table
Rare Earth metals
Elements 21, 39, 57, and lanthanides
diatomic elements
H, N, O, F, Cl, Br, I
Properties of metals
malleable, conductor of electricity/heat, ductility, luster, almost all metal
Properties of semimetals
semi-malleable, mostly bad at conducting electricity/heat (except Si), semi ductile, semi shiny, all elements are solids
nonmetals
brittle, insulator, low tensile strength, dull, mostly gases
Studied by 102 People